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-rw-r--r--third_party/git/compat/bswap.h193
1 files changed, 0 insertions, 193 deletions
diff --git a/third_party/git/compat/bswap.h b/third_party/git/compat/bswap.h
deleted file mode 100644
index c0bb744adcd2..000000000000
--- a/third_party/git/compat/bswap.h
+++ /dev/null
@@ -1,193 +0,0 @@
-#ifndef COMPAT_BSWAP_H
-#define COMPAT_BSWAP_H
-
-/*
- * Let's make sure we always have a sane definition for ntohl()/htonl().
- * Some libraries define those as a function call, just to perform byte
- * shifting, bringing significant overhead to what should be a simple
- * operation.
- */
-
-/*
- * Default version that the compiler ought to optimize properly with
- * constant values.
- */
-static inline uint32_t default_swab32(uint32_t val)
-{
-	return (((val & 0xff000000) >> 24) |
-		((val & 0x00ff0000) >>  8) |
-		((val & 0x0000ff00) <<  8) |
-		((val & 0x000000ff) << 24));
-}
-
-static inline uint64_t default_bswap64(uint64_t val)
-{
-	return (((val & (uint64_t)0x00000000000000ffULL) << 56) |
-		((val & (uint64_t)0x000000000000ff00ULL) << 40) |
-		((val & (uint64_t)0x0000000000ff0000ULL) << 24) |
-		((val & (uint64_t)0x00000000ff000000ULL) <<  8) |
-		((val & (uint64_t)0x000000ff00000000ULL) >>  8) |
-		((val & (uint64_t)0x0000ff0000000000ULL) >> 24) |
-		((val & (uint64_t)0x00ff000000000000ULL) >> 40) |
-		((val & (uint64_t)0xff00000000000000ULL) >> 56));
-}
-
-#undef bswap32
-#undef bswap64
-
-#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
-
-#define bswap32 git_bswap32
-static inline uint32_t git_bswap32(uint32_t x)
-{
-	uint32_t result;
-	if (__builtin_constant_p(x))
-		result = default_swab32(x);
-	else
-		__asm__("bswap %0" : "=r" (result) : "0" (x));
-	return result;
-}
-
-#define bswap64 git_bswap64
-#if defined(__x86_64__)
-static inline uint64_t git_bswap64(uint64_t x)
-{
-	uint64_t result;
-	if (__builtin_constant_p(x))
-		result = default_bswap64(x);
-	else
-		__asm__("bswap %q0" : "=r" (result) : "0" (x));
-	return result;
-}
-#else
-static inline uint64_t git_bswap64(uint64_t x)
-{
-	union { uint64_t i64; uint32_t i32[2]; } tmp, result;
-	if (__builtin_constant_p(x))
-		result.i64 = default_bswap64(x);
-	else {
-		tmp.i64 = x;
-		result.i32[0] = git_bswap32(tmp.i32[1]);
-		result.i32[1] = git_bswap32(tmp.i32[0]);
-	}
-	return result.i64;
-}
-#endif
-
-#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
-
-#include <stdlib.h>
-
-#define bswap32(x) _byteswap_ulong(x)
-#define bswap64(x) _byteswap_uint64(x)
-
-#endif
-
-#if defined(bswap32)
-
-#undef ntohl
-#undef htonl
-#define ntohl(x) bswap32(x)
-#define htonl(x) bswap32(x)
-
-#endif
-
-#if defined(bswap64)
-
-#undef ntohll
-#undef htonll
-#define ntohll(x) bswap64(x)
-#define htonll(x) bswap64(x)
-
-#else
-
-#undef ntohll
-#undef htonll
-
-#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
-
-# define GIT_BYTE_ORDER __BYTE_ORDER
-# define GIT_LITTLE_ENDIAN __LITTLE_ENDIAN
-# define GIT_BIG_ENDIAN __BIG_ENDIAN
-
-#elif defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
-
-# define GIT_BYTE_ORDER BYTE_ORDER
-# define GIT_LITTLE_ENDIAN LITTLE_ENDIAN
-# define GIT_BIG_ENDIAN BIG_ENDIAN
-
-#else
-
-# define GIT_BIG_ENDIAN 4321
-# define GIT_LITTLE_ENDIAN 1234
-
-# if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
-#  define GIT_BYTE_ORDER GIT_BIG_ENDIAN
-# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
-#  define GIT_BYTE_ORDER GIT_LITTLE_ENDIAN
-# elif defined(__THW_BIG_ENDIAN__) && !defined(__THW_LITTLE_ENDIAN__)
-#  define GIT_BYTE_ORDER GIT_BIG_ENDIAN
-# elif defined(__THW_LITTLE_ENDIAN__) && !defined(__THW_BIG_ENDIAN__)
-#  define GIT_BYTE_ORDER GIT_LITTLE_ENDIAN
-# else
-#  error "Cannot determine endianness"
-# endif
-
-#endif
-
-#if GIT_BYTE_ORDER == GIT_BIG_ENDIAN
-# define ntohll(n) (n)
-# define htonll(n) (n)
-#else
-# define ntohll(n) default_bswap64(n)
-# define htonll(n) default_bswap64(n)
-#endif
-
-#endif
-
-static inline uint16_t get_be16(const void *ptr)
-{
-	const unsigned char *p = ptr;
-	return	(uint16_t)p[0] << 8 |
-		(uint16_t)p[1] << 0;
-}
-
-static inline uint32_t get_be32(const void *ptr)
-{
-	const unsigned char *p = ptr;
-	return	(uint32_t)p[0] << 24 |
-		(uint32_t)p[1] << 16 |
-		(uint32_t)p[2] <<  8 |
-		(uint32_t)p[3] <<  0;
-}
-
-static inline uint64_t get_be64(const void *ptr)
-{
-	const unsigned char *p = ptr;
-	return	(uint64_t)get_be32(&p[0]) << 32 |
-		(uint64_t)get_be32(&p[4]) <<  0;
-}
-
-static inline void put_be32(void *ptr, uint32_t value)
-{
-	unsigned char *p = ptr;
-	p[0] = value >> 24;
-	p[1] = value >> 16;
-	p[2] = value >>  8;
-	p[3] = value >>  0;
-}
-
-static inline void put_be64(void *ptr, uint64_t value)
-{
-	unsigned char *p = ptr;
-	p[0] = value >> 56;
-	p[1] = value >> 48;
-	p[2] = value >> 40;
-	p[3] = value >> 32;
-	p[4] = value >> 24;
-	p[5] = value >> 16;
-	p[6] = value >>  8;
-	p[7] = value >>  0;
-}
-
-#endif /* COMPAT_BSWAP_H */